The Drach Caves in Porto Cristo, Majorca, are a must-visit attraction for nature lovers and adventure seekers. Stretching almost 1,200 meters long and reaching depths of 25 meters below ground, these caves boast one of the world's largest underground lakes, Lake Martel. Visitors can enjoy a spectacular live concert at the lake while exploring the stunning formations and history of this unique natural wonder. Don't miss out on this exciting experience in Mallorca!